Question about 1997 Pontiac Grand Prix

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I have a 97 pontiac grand prix gtp and the transmission makes a whinning noise in third gear. when i am going like thirty five if i let off the gas the rpms go down but when i go to accelerate the rpms go up to like 2000 or 2500 before it starts pulling and i can rev it between 1000 and 2000 rpms and it doesn;t pull at all but when the car shifts into 4th it stops whinning and it pulls fine accept when i get up to like 80 sometimes it wants to shift down into third when i barely push on the accelerator. I would like to know whats wrong and what should be done like transmission rebuild, bearings bad, new drive belt, new torque converter etc.

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  • Pontiac Master
  • 6,424 Answers

Check the fluid level first.

Posted on Apr 07, 2017

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6 Suggested Answers

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Posted on Jan 02, 2017

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IFIXALL
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SOURCE: monte carlo

You need to rebuild the transmission,it's over heating. May want to check your transmission cooler first .
Please rate this!

Posted on Jun 11, 2008

  • 1 Answer

SOURCE: 94 Nissan Altima accelerator problems

check your throttle position sensor

Posted on Aug 13, 2008

  • 3 Answers

SOURCE: no acceleration

I had the same problem with one exception. It would rev higher than 3500 but the higher it revved the more it bogged. I had the catalytic converter replaced. I thought I bought a new car. Acceleration is just like new. It was easy enough to test. My mechanic cut a hole in the exhaust pipe in front of the catalytic converter. It sounded like a truck but the acceleration difference was immediate. Easy diagnosis.

The car is hard to shift because the more you press on the accelerator the more the computer for the transmission won't let it shift. Which in turn causes the car to bog more sending more unburned fuel into the catalytic converter. Which in turn causes more carbon build up and more back pressure. Vicious cycle. It will only get worse.

My thermostat caused the entire problem. Thermostat was stuck open, engine never got to operating temp most days. Car burned rich. Bad gas mileage. A lot of unspent fuel being dumped into the converter. Probably have some underlying cause that needs to be addressed. Bad plugs, wires, coil, fuel filter.

Posted on Jan 21, 2009

  • 337 Answers

SOURCE: i am replacing intake gasket on my 98 pontiac

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c15280217c80

Try this not sure.

Posted on Mar 09, 2009

  • 617 Answers

SOURCE: Location of mass air flow sensor, 2000 Grand Prix GTP

3.1 or 3.8 motor, mass air flow is in the fresh air (goes from air cleaner to engine)

Posted on Feb 07, 2010

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1 Answer

Will the motor and tranny from a 1998 pontiac grand prix GT 2 door coupe 3.8L motor fit in a 1998 pontiac grand prix GTP supercharged 3.8l motor


everything will cross over but the engine and transmission in the gtp are suppose be heavier duty built

Mar 02, 2015 | Pontiac Cars & Trucks

1 Answer

Are all fuel pumps from 97 Pontiac grand prix compatible with fuel pump for a 97 Pontiac grand prix GTP super


No.
The only pump that will work in a GTP model is the pump for that model. And there are more than one tag number for the GTP.
Flow rates can be anything between 20 and 60 GPM.
You have to match the tag code for your car.

Sep 04, 2014 | Cars & Trucks

1 Answer

Transmission Compatibility


As you see I provided you the models you can apply the transmission :The 4T65E-HD (code MN7) is a heavy duty version of the 4T65-E used with more powerful engines such as the LS4 V8 and L67/L32 supercharged V6. Applications: 2.93:1 MN7 Pontiac Bonneville SSEi L67 Chevrolet Impala L67 Chevrolet Monte Carlo L67 Pontiac Grand Prix GTP/GXP Buick Regal GS Buick Riviera L67 (97-99) So ,yes you can!

May 28, 2013 | 1998 Pontiac Grand Prix

1 Answer

Goes into overdrive but when u take foot off gas goes down making whinning noise


I would suspect you have a defective transmission that is slipping and the only cure for this is to have it removed and rebuilt. Please have a local ****** repair shop confirm this before any repairs are performed.

Jul 27, 2012 | 1998 Pontiac Grand Prix

1 Answer

Problem with 2005 gran prix gtp


Well, since the transmission in your vehicle is computer-controlled, I think the FIRST step in diagnosing the problem should be to ask the Powertrain Control Module what is going on.

May 25, 2012 | 2005 Pontiac Grand Prix

1 Answer

My 1997 pontiac Grand prix power sterring is gone and hard to turn i think it might be the pump or sterring whell fluid but cant find it help me please


You might want to check the power steering fluid. The resevoir is on the passenger side toward the passenger seat it is kind of hard to find. But i have a '97 Grand Prix and i noticed that whenever i would turn sharp while going pretty fast it would make a grinding noise and i could feel my steering wheel pulling me. But the thing is the power steering never whinned or anything. So i checked it and there was absolutely none in there. So check the fluids first.

Aug 10, 2010 | 1997 Pontiac Grand Prix

3 Answers

I have a 97 grand prix gtp that will start but wont hold an idl


bad fuel pump.- just replace it and your good to go!

Feb 21, 2010 | 1997 Pontiac Grand Prix

1 Answer

New transmission


The best place you'll ever find parts and service for the GTP is www.zzperformance.com

They have their headquarters garage and then several authorized satellite locations in a few states. They make their living on working only with the GTP exclusively.

Jan 29, 2010 | 1998 Pontiac Grand Prix

2 Answers

I have a 97 grand prix gt with the same problem


that car should do every bit of 132mph . if it doesn't then try a tune up or there could be a lot of possibilities like
fuel flow , air flow ,
transmission and even the type of oil that you use .

Jul 19, 2009 | 1999 Pontiac Grand Prix

2 Answers

1997 grand prix gtp starter location


at rear bottom of engine, u must change it from the bottom. Make sure the battery is disconnected before u start work.

Jan 15, 2009 | 1997 Pontiac Grand Prix

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